42013313323123 has 16 divisors (see below), whose sum is σ = 43189034357664. Its totient is φ = 40839726977280.

The previous prime is 42013313323013. The next prime is 42013313323151. The reversal of 42013313323123 is 32132331331024.

It is a cyclic number.

It is not a de Polignac number, because 42013313323123 - 2²⁹ = 42012776452211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42013313323153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175655911 + ... + 175894927.

It is an arithmetic number, because the mean of its divisors is an integer number (2699314647354).

Almost surely, 2^{42013313323123} is an apocalyptic number.

42013313323123 is a deficient number, since it is larger than the sum of its proper divisors (1175721034541).

42013313323123 is a wasteful number, since it uses less digits than its factorization.

42013313323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243462.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 42013313323123 its reverse (32132331331024), we get a palindrome (74145644654147).

The spelling of 42013313323123 in words is "forty-two trillion, thirteen billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred twenty-three".